function addToShoppingCartRedirect(b,a,e,d){
  	
  
    if(readCookie("shopping_cart_store")==null){
        createCookie("shopping_cart_store",",",1)
    }
    var f=readCookie("shopping_cart_store");
    if(f.search(","+b+"-"+a+"-")==-1){
        var c=f+","+b+"-"+a+"-"+e+"-"+d;
        createCookie("shopping_cart_store",c,1);
        //window.location="/gio-hang";
    }
    else{
        //window.location="/gio-hang";
    }
  
  
}